{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["material", "biomedical", "manufacturing standard", "machine or equipment", "process characterization", "manufacturing process"], "input": "Microhardness of each zone is determined by the local microstructure ."}
{"material": [], "biomedical": [], "manufacturing standard": [], "machine or equipment": [], "process characterization": [], "manufacturing process": []}